Traceback (most recent call last):
  File "documents/pyscript/UD359Project1.py", line 54, in <module>
    ggsave(image, pbar)
  File "/Users/clintonrice/.venv/lib/python2.7/site-packages/ggplot/utils/ggutils.py", line 84, in ggsave
    figure = plot.draw()
  File "/Users/clintonrice/.venv/lib/python2.7/site-packages/ggplot/ggplot.py", line 305, in draw
    callbacks = geom.plot_layer(data, ax)
  File "/Users/clintonrice/.venv/lib/python2.7/site-packages/ggplot/geoms/geom.py", line 115, in plot_layer
    data = self._calculate_stats(data)
  File "/Users/clintonrice/.venv/lib/python2.7/site-packages/ggplot/geoms/geom.py", line 272, in _calculate_stats
    _data = self._stat._calculate(_data)
  File "/Users/clintonrice/.venv/lib/python2.7/site-packages/ggplot/stats/stat_bin.py", line 69, in _calculate
    right=right, retbins=True)
  File "/Users/clintonrice/.venv/lib/python2.7/site-packages/pandas/tools/tile.py", line 107, in cut
    include_lowest=include_lowest)
  File "/Users/clintonrice/.venv/lib/python2.7/site-packages/pandas/tools/tile.py", line 161, in _bins_to_cuts
    raise ValueError('Bin edges must be unique: %s' % repr(bins))
ValueError: Bin edges must be unique: array([ 0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,
        0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,  0.,
        0.,  0.,  0.,  0.,  0.])